A novel green nonaqueous sol-gel process for preparation of partially stabilized zirconia nanopowder
Guo FengNational Engneering Research Center for Domestic and Building Ceramics, Jingdezhen, PR ChinaWeihui JiangNational Engneering Research Center for Domestic and Building Ceramics, Jingdezhen, PR China + Department of Materials Science and Engineering Jingdezhen Ceramic Institute, Jingdezhen, PR ChinaJianmin LiuNational Engneering Research Center for Domestic and Building Ceramics, Jingdezhen, PR ChinaQuan ZhangNational Engneering Research Center for Domestic and Building Ceramics, Jingdezhen, PR ChinaQian WuNational Engneering Research Center for Domestic and Building Ceramics, Jingdezhen, PR ChinaLifeng MiaoNational Engneering Research Center for Domestic and Building Ceramics, Jingdezhen, PR China
2017en
ABI
Abstract
A novel green nonaqueous sol-gel process was developed to prepare 3mol% Y2O3-doped ZrO2 nanopowder from zirconium oxychloride and without need for washing of the obtained particles. It was shown that highly dispersive nanometer-scale zirconia powder with the particle size of 15-25 nm and BET surface area of 41.2m2/g can be prepared. The sintering behaviour was also investigated. Density of the translucent body sintered at 1400?C is 98.7 ? 0.3% of its theoretical density and the surface and cross section areas are dense without holes or other defects. The bending strength of the sintered sample is 928 ? 64MPa.
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